I need to know more about NAT transerval as why it is required and if any outside machine needs to connect with internal machines then we can NAT it and allow the ports which are needed so what is main funda of NAT transversal.
Is it allowed by default for some protocols (I am not sure), if yes then would it not a security hole... my mean is here that is it secure by any chance if it gets used.
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...